i should have mentioned the race detector found nothing. jan, can you give an example of a go program setting a pointer to -1 without using unsafe? this requires the gc to have free'd something that is still live, doesn't it?
- erik On Monday, December 4, 2017 at 2:58:22 AM UTC-8, Peter Waller wrote: > > Some worthwhile reading: > https://software.intel.com/en-us/blogs/2013/01/06/benign-data-races-what-could-possibly-go-wrong > > Races are important, and if your program has a race, otherwise > impossible-seeming things can happen. First ruling out races is a > worthwhile activity. > > In terms of debugging it, it's difficult, but it will help a lot if you > can make it crash predictably. Moreso if you can share a minimum reproducer. > > When I've been in such a situation as yours, I've found that once I can > get it to crash predictably, it is often a short path from there to a > solution. > > > On 4 December 2017 at 06:46, <quan...@gmail.com <javascript:>> wrote: > >> a program not using unsafe cannot set a pointer to -1, even if there is a >> race, right? >> >> - erik >> >> >> On Sunday, December 3, 2017 at 10:20:44 PM UTC-8, Jan Mercl wrote: >>> >>> On Mon, Dec 4, 2017 at 7:03 AM <quan...@gmail.com> wrote: >>> >>> > does anyone have any idea what's going on here, or some hints on >>> debugging this? >>> >>> What does the race detector say? >>> >>> -- >>> >>> -j >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
